“Honey, I’m sorry Uncle Yee was sent to prison, but be of good cheer. He left us this for our protection.”
The directions say to insert angry bullets, (A), into happy openings, (B).
Then as to placing of fingers into ring of guarding, (C), then pressing, not jerking off, the curved maker of bang-bang.

This actually was a pretty interesting movie though. “Sympathy for lady vengeance”

It’s a story about a woman who is falsely imprisoned and how she gets her revenge over the course of a number of years. this takes place in South Korea where firearms are highly prohibited and so she had a friend fabricate a double-barreled smooth-bore pistol for her what she is using it also is understandable that she doesn’t know dick about the four rules of firearms safety as up until this point she was probably never near a firearm in her entire life.